1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ 2 /* 3 * This file is provided under a dual BSD/GPLv2 license. When using or 4 * redistributing this file, you may do so under either license. 5 * 6 * Copyright(c) 2018 Intel Corporation. All rights reserved. 7 */ 8 9 #ifndef __INCLUDE_UAPI_SOUND_SOF_USER_HEADER_H__ 10 #define __INCLUDE_UAPI_SOUND_SOF_USER_HEADER_H__ 11 12 /* 13 * Header for all non IPC ABI data. 14 * 15 * Identifies data type, size and ABI. 16 * Used by any bespoke component data structures or binary blobs. 17 */ 18 struct sof_abi_hdr { 19 uint32_t magic; /**< 'S', 'O', 'F', '\0' */ 20 uint32_t type; /**< component specific type */ 21 uint32_t size; /**< size in bytes of data excl. this struct */ 22 uint32_t abi; /**< SOF ABI version */ 23 uint32_t reserved[4]; /**< reserved for future use */ 24 uint32_t data[0]; /**< Component data - opaque to core */ 25 } __packed; 26 27 #endif 28